January Weather in San Alejandro, Peru

Last updated: August 27, 2025

In January, the average temperature in San Alejandro, Peru hovers around 26°C (79°F), with minimums dipping to 21°C (69°F) and maximums soaring up to 35°C (96°F). Expect substantial precipitation with an average of 304 mm (12.0 in) falling over 24 days, contributing to an average humidity level of 88%. Perfect weather for enjoying the lush surroundings!

January Temperature in San Alejandro

In January in San Alejandro, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 21°C (69°F). This comfortable climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

January Weather in San Alejandro: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Alejandro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Alejandro, January typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (69°F).

Data source: Temperature data for San Alejandro generated using information from the Copernicus Climate Change Service.

January Precipitation in San Alejandro

In San Alejandro in January, the precipitation amount is 304 mm (12.0 in) spread over a total of 24 days.

January Precipitation Trends in San Alejandro

The chart displays monthly precipitation patterns in San Alejandro, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Alejandro, January typically receives around 304 mm (12.0 inches) of precipitation spread over approximately 24 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in San Alejandro

In San Alejandro in January, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

January Average Humidity in San Alejandro

This chart illustrates the average monthly humidity levels in San Alejandro, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Alejandro is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Alejandro

In San Alejandro in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Alejandro.

Maximum UV Index Levels in San Alejandro for January

The chart shows the monthly maximum UV Index (UVI) for San Alejandro in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in San Alejandro typically reaches 15, which falls under the extreme exposure category.

Data source: San Alejandro January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in San Alejandro Compares to Other Months

Weather in San Alejandro varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Alejandro, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Alejandro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	304 mm (12.0 inches)	88%	extreme
February Weather	26°C (79°F)	364 mm (14.3 inches)	86%	extreme
March Weather	26°C (78°F)	406 mm (16.0 inches)	89%	extreme
April Weather	26°C (78°F)	240 mm (9.4 inches)	89%	extreme
May Weather	25°C (78°F)	178 mm (7.0 inches)	86%	extreme
June Weather	25°C (77°F)	99 mm (3.9 inches)	71%	extreme
July Weather	25°C (77°F)	86 mm (3.4 inches)	44%	extreme
August Weather	26°C (79°F)	76 mm (3.0 inches)	34%	extreme
September Weather	27°C (81°F)	117 mm (4.6 inches)	37%	extreme
October Weather	26°C (80°F)	236 mm (9.3 inches)	50%	extreme
November Weather	26°C (79°F)	341 mm (13.4 inches)	73%	extreme
December Weather	26°C (79°F)	308 mm (12.1 inches)	91%	extreme